21380+4153
- Unique Name: 21380+4153A 402
- RA: 21 37 58.35
- Dec: +41 52 50.9
- Discoverer: A
- Discoverer Number: 402
- Components:
- First year: 1902
- Last year: 2009
- Observations: 10
- First position angle: 42
- Last position angle: 46
- First separation: 0.7
- Last separation: 0.9
- Mag first component: 9.12
- Mag second component: 10.54
- Spectral type: A0
- Primary proper motion RA: 0
- Primary proper motion DEC: -7
- Secondary proper motion RA: 0
- Secondary proper motion DEC: -7
- Durchmusterung: +41 4213
- Notes: